Re: Updating OFED drivers from 1.5.3 to 1.5.4
Did you reboot the host after installation finished? Run 'lsmod' command and check that IB drivers are loaded (ib_uverbs, mlx4_XXX, etc)
View ArticleRe: QSFP+ Amber & Arista 7050 SFP+ green but can't pass traffic
Hi Anand: This came back about your suggestion from one of the network engineers from our customer, please review and advise: 10GBASE (SFP+): Ports operate as 10G ports. Speed commands do not effect...
View ArticleRe: QSFP+ Amber & Arista 7050 SFP+ green but can't pass traffic
ethtool -s <interface> speed <speed>I believe once you set the interface speed on the Arista device, link should be up. If that doesn't work I would check the equivalent of "show interface...
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Re: QSFP+ Amber & Arista 7050 SFP+ green but can't pass traffic
Im aware that the 10G Base SFP+ port operates at 10G. I dont want the port to try to auto negotiate the speed. Since there is also an Intel transceiver involved, It complicates things.By setting it to...
View ArticleRe: Link speed limited to 10gbps
Hi, Anand, Attempt to force link speed to 40000 ends up in the following: # ethtool -s p2p1 speed 40000Cannot set new settings: Operation not supported not setting speed # dmesg -cmlx4_en_QUERY_PORT:...
View ArticleRe: ConnectX3 FreeBSD 10 ethernet mode
Hi Tom, There is a bit of a "history" with support (or lack of) for the FreeBSD OS. Mellanox has primarily been focused on Linux OS support but due to customer and industry demand, Mellanox is in the...
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i2C writing interface to A0 and A2 tables using ConnectX3 ???
Is there an API to write into the A0 and A2 tables over the i2C interface using the Connect X3 NIC ? F.
View ArticleRe: SR-IOV CentOS 7 Host and CentOS 6.4 guest performance and right set up
Hi Aleksey, Thanks for your response. I believe I am using IB inside the VMs. I think newer versions of the SM automatically assign GUIDs. I've verified that all the tests I run within the VM, use the...
View ArticleRe: RHEL7 and iser using targetcli
Hi Greg,check this postHowTo Configure LIO enabled with ISER for RHEL7 Inbox Driver Thanks,Ophir.
View Articlewo have MT4099 IB card，not use EOIB，
T4298831519 [mlx4_vnic] vnic-1:vnic_create_tx_res:1103: ib_create_cq failed, index 0, comp_vector 64, rc -22T4298831519 [mlx4_vnic] vnic-1:vnic_login_pre_create_2:129: vnic_create_tx_res failed, index...
View ArticleRe: wo have MT4099 IB card，not use EOIB，
os:Red Hat Enterprise Linux Server release 5.9 (Tikanga)IB driver: MLNX_OFED_LINUX-1.5.3-4.0.42-rhel5.9-x86_64.iso [root@wn8hp01 ~]# ibstatCA 'mlx4_0' CA type: MT4099 Number of ports: 2 Firmware...
View ArticleHow to create IB partitions without enabling IPOIB
HI, I've been trying out setting up of partitions in our IB fabric. I'm using a SX6036 with the onboard SM enabled. I have thre nodes which are connected to this switch. I've done the following changes...
View ArticleRe: ConnectX3 FreeBSD 10 ethernet mode
Hi Branko, Thank you for the update, that's a huge help! Let me know if you'd like a beta tester for the new driver (we have quite a few systems in our lab at all times). Tom
View ArticleRe: ConnectX3 FreeBSD 10 ethernet mode
Hi Tom, Sure. We're always looking for beta testers . I'm not sure which company you work for or what territory you're in so you should start with your local Mellanox representative and you can refer...
View ArticleRe: Updating OFED drivers from 1.5.3 to 1.5.4
Hi Aleksey, I decided to try a more recent version of OFED, v 2.2-1.0.1. There is now an issue with the server but will provide another update once this is resolved. Should I start fresh with a new...
View ArticleIssues with OFED 2.2.1 driver update
Greetings, I've recently installed OFED 2.2.1 drivers for SLES 11 SP2 (x86_64) on a system previously running OFED 1.5.3. The device is described as "ConnectX-3 VPI adapter card; single-port QSFP;...
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InfiniBand RDMA latency test on Xen's dom0 crashes
Hello. The short story: while setting up InfiniBand connection between two servers one of which is Xen's dom0, I cannot complete the RDMA latency test. It crashes even with breaking the ssh connection...
View ArticleSR-IOV and KVM: unable to pass VFs to VMs
Good day! I read the docs several times but I must be missing something for sure.I have this setup: SuperMicro server with 4x AMD Opteron 6272 (64 cores total), 256GB Ram, some HDD, Intel 82576 Gbit...
View ArticleCan't Achieve 40Gbps
I'll by saying this is my first infiniband setup. I have two Identical RHEL 6.4 servers connected to a Mellanox switch. The connection works but is far below the transfer speed of what I expected. I...
View ArticleRe: Can't Achieve 40Gbps
Hi! I think you're in normal condition.Because almost FDR14 cables consist of quad channel line.line rate speed is 14.0Gbps and 14.0Gbps x 4 = 56Gbps...:) * But, there is overhead by 64/66bit...
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